To bet on the Caulfield Cup, you back a runner in a 2400m Group 1 handicap at Caulfield whose field of up to 18, for horses aged three and older, is not settled until race week. The Melbourne Racing Club (MRC) runs the 2026 race, the 150th, on Saturday 17 October, with up to four emergencies.
Three things set it apart on the horse racing betting calendar. A big handicap field brings each way into play, futures markets run for weeks before the field is known, and the result feeds into the Melbourne Cup, the other half of a cups double.
The 2026 Caulfield Cup: conditions that shape the betting
The MRC's 2026 conditions, in brief:
| Condition | 2026 Caulfield Cup |
|---|---|
| Race | 2400m Group 1 handicap at Caulfield, three-year-olds and older, no apprentice claims |
| Field limit | 18 starters and up to 4 emergencies (Racing Australia's race fields) |
| Weights | Minimum 51kg (49kg for three-year-olds); top weight at least 59kg when released and 57kg at the final declaration |
| Prize money | $6,000,000 plus $550,000 in trophies, $3,300,000 to the winner |
Handicap weights rise with a horse's rating, which spreads the market wider than at weight for age (handicap races explains the method). Racing Victoria released both Cups' weights on 17 September 2026, and a horse entered in both and weighted above the minimum was given 1.5kg more in the Melbourne Cup. A win after the weights come out can add more. The handicapper can give extra weight to the winner of a Listed or Group handicap of 1600m or more, or of another Listed or Group race of 2300m or more (the 2026 Herbert Power Stakes excepted).
Note: All dates and figures here are for 2026, when the race falls a week before the Cox Plate (spring racing carnival). Check the MRC's conditions each year.
From nominations to race morning: the 2026 timeline
The MRC's 2026 deadlines, in Melbourne time:
| Stage | 2026 | What it means for an early bet |
|---|---|---|
| Nominations close | 12 pm, Tuesday 18 August | Racing NSW says feature-race betting usually starts at this point |
| Late nominations close | 12 pm, Tuesday 8 September | A horse can still join the market |
| First and second declarations | 12 pm, Tuesday 22 September and Tuesday 6 October | An undeclared horse is out, and all-in bets on it lose |
| Final declaration | 9 am, Tuesday 13 October | Field and emergencies set |
| Race morning | Until 7:30 am, Saturday 17 October | Emergencies replace scratched horses |
When more horses accept than the race can hold, a ballot decides who runs. Horses without a qualifying performance since 1 August 2025, such as a top-three finish in a Group race of 1600m or more, are eliminated first. Within each group, the horse with the lowest appended weight figure against its benchmark goes first. For a horse on the minimum, the handicapper sets that figure, up to 9kg below the benchmark, separately from the weight it carries. Winners of 15 named races, such as the Turnbull Stakes, are exempt. After the second declaration, Racing Victoria's order of entry listed 34 horses (5 exempt) for 18 places, so at most 18 / 34 = 52.9% of them can start.
For NSW bookmakers, Racing NSW's futures policy treats feature-race bets as all in from the close of nominations to final acceptances, so a horse that does not start takes the stake with it. After the final declaration, a scratched horse's bets are refunded under rule books such as Racing NSW's Rules of Betting (BR 10), and an emergency runner that never starts counts as a non-starter. Online bookmakers write their own futures terms, and futures betting on horse racing weighs ballot risk against an early price.
Caulfield Cup each way in an 18-horse field
An each way bet splits your money into equal win and place halves, so $10 each way puts $20 at risk (each way betting has the basics). The tote rules gazetted in Western Australia in 2010 pay three places once 8 or more runners remain at final scratchings, so a full field pays 3 / 18 = 16.7% of its runners. Online bookmakers set their own place terms, and an extra-place offer is a promotion on that bookmaker's terms only.
With an illustrative $12.00 to win and $3.70 to place, the same $20 spent three ways:
| Result | $20 to win at $12.00 | $20 to place at $3.70 | $10 each way |
|---|---|---|---|
| Wins | $20 x 12.00 = $240 | $20 x 3.70 = $74 | $10 x 12.00 + $10 x 3.70 = $157 |
| Second or third | Nothing | $74 | $10 x 3.70 = $37 |
| Fourth or worse | Nothing | Nothing | Nothing |
Each way turns a placing into a $17 profit and a win into $137, while the place bet tops out at a $54 profit. The each way calculator runs these sums on your own prices. NSW on-course bookmakers work to BR 17 of Racing NSW's Rules of Betting. With 8 or more starters it pays the place half at one quarter of the win odds over three places: at $12.00, 1 + (12.00 - 1) / 4 = $3.75.
A wide barrier in a field that size also costs ground, as barrier draw shows.
Risk: Betting involves risk. Each way does not make a placing more likely, and most of an 18-horse field finishes outside the paid places, where both halves lose. See responsible gambling for limits and support.
How the Caulfield Cup feeds the Melbourne Cup
The Victoria Racing Club's 2026 Melbourne Cup conditions tie the races together three ways:
- The Caulfield Cup winner cannot be balloted out of the Melbourne Cup if it holds an entry and has been accepted at each declaration, though the VRC's directors can still exclude any horse.
- Any finish from first to eighth counts as a relevant race performance in that ballot: the first five through the conditions' Group race clauses, and sixth to eighth because the conditions name the race.
- Because the Caulfield Cup is run after the Melbourne Cup weights are out, its winner can be given extra weight for Flemington, declared within five working days.
So Melbourne Cup prices move on the Caulfield result twice: on the form it shows, and on a horse's ballot place and weight. A 2400m run is 800m short of the 3200m Cup, so it shows class and current form more than stamina. Melbourne Cup betting covers the Flemington race.
How a cups double is priced
A cups double is one fixed-odds bet on the winners of both races, lost the moment the Caulfield pick is beaten. Unlike the tote's running and daily doubles, which are pool bets on two races at one meeting, a cups double is priced by the bookmaker. Racing NSW's Rules of Betting (BR 21A) pay a NSW on-course bookmaker's fixed-price feature double at the stake times the product of the prices, and online bookmakers settle doubles on their own terms. With illustrative prices:
double price = Caulfield Cup price x Melbourne Cup price = 11.00 x 17.00 = $187.00
A $5 double returns $5 x 187.00 = $935, a $930 profit, at an implied chance of 1 / 187.00 = 0.53%, and the multi bet calculator multiplies your own legs the same way. Multiplying prices also multiplies margins. If each Cup market adds up to 120% (illustrative), scaling each price up by 1.20 removes the margin in proportion. That gives fair prices of 11.00 x 1.20 = $13.20 and 17.00 x 1.20 = $20.40, and a fair double of 13.20 x 20.40 = $269.28.
| Bet | Offered | Fair | Offered as a share of fair |
|---|---|---|---|
| Caulfield Cup single | $11.00 | $13.20 | 11.00 / 13.20 = 83.3% |
| Cups double | $187.00 | $269.28 | 187.00 / 269.28 = 69.4% |
On the single the bookmaker holds back 1 - 1 / 1.20 = 16.7% of the fair return, and on the double 1 - 1 / (1.20 x 1.20) = 30.6%. Your own chances for both runners have to beat the market's by enough to cover that.
Racing NSW's futures policy lets NSW bookmakers take a double until its first leg jumps. The Melbourne Cup field is declared at 4:30 pm on Saturday 31 October 2026, two weeks after the Caulfield Cup, so every cups double is struck before final declarations for at least one of its races. Racing NSW's Rules of Betting (BR 21A) treat such a double as all in: if either horse is balloted out or scratched, the double loses, even when the Caulfield Cup runner is scratched after its own final declaration. Check how your own bookmaker settles a non-starter in either leg.
Once the Caulfield pick wins, the double is $5 x 11.00 = $55 riding on the Melbourne Cup runner at a fixed $17.00. If that runner drifts to $21.00, a fresh $55 bet would return $55 x 21.00 = $1,155 against the double's $935; if it firms to $9.00, a fresh bet returns $55 x 9.00 = $495.
Risk: Betting involves risk. A cups double needs two winners from two big fields, its margin compounds, and under an all-in rule it can be lost on a horse that never runs. See responsible gambling for limits and support.
Mistakes in Caulfield Cup betting, and what they cost
With illustrative figures:
- Treating the order of entry as settled: $10 all in at $26.00 on a horse near the foot of the 34-horse list returns nothing if it misses the 18.
- Reading the double as a bigger single: at 69.4% of fair against 83.3% for the single above, it gives away more.
- Expecting a refund on a double: under BR 21A a cups double stays all in after the Caulfield Cup's final declarations, so the $5 double above returns nothing if its Caulfield runner is scratched on race morning.
Checking Caulfield Cup prices with B337
After final declarations, once bookmakers price the field, B337's Terminal sets prices from 40+ bookmakers across racing and sports in a column per bookmaker, with the best available price on each runner marked and Betfair back and lay to compare. Price history (flucs) shows whether a runner is firming or drifting, and closing lines record each runner's last price before the jump.
The board picks prices up on a repeating cycle, so check each one with your bookmaker before you bet; not every bookmaker prices every race. A free account opens a limited view of the Terminal with live odds (odds comparison); Betfair prices and closing lines need Terminal View, and bets placed through B337 use credits, a per-bet usage charge (plans and pricing). Betfair is a trade mark of its owner, and B337 is not affiliated with it. For free and confidential support call 1800 858 858 or visit gamblinghelponline.org.au.
Risk: Betting involves risk. Two Cups in under three weeks make it easy to bet more than you planned, so decide your budget for both races in advance and lower your bookmaker deposit limit to match. See responsible gambling for limits and support.